P12.3. Draw the influence lines for the reactions at supports A and C, the shear and moment at section B, and the shear just to the left of support C. ↑ RA 8m B 6m 124 4 m i
P12.3. Draw the influence lines for the reactions at supports A and C, the shear and moment at section B, and the shear just to the left of support C. ↑ RA 8m B 6m 124 4 m i
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:P12.3. Draw the influence lines for the reactions at supports A and C, the shear and moment at section B, and the shear just to the left
of support C.
↑
RA
B
Rc
D
4m 4
8 m
6 m
Draw an influence line for reaction at A and determine the value of the reaction at
A if a 10 kip load is placed halfway between A and B
Draw an influence line for reaction at C and determine the value of the reaction
at C if the following group of loads is placed on the beam
• A 10 kip load halfway between A and B
• A 5 kip load at B
• A 2 kip load at D
Draw an influence line for moment at D and determine the value of the moment
at D for the worst-case placement of a uniform load of 1.2 kips per foot that can
be placed as needed over various segments of the beam.
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